/**
 * Generate TypeScript types from lexicon schemas.
 *
 * Includes external lexicons (com.atproto.*, community.lexicon.*) that our
 * schemas reference, so lex-cli can resolve all type references.
 */
import { readdirSync } from 'node:fs';
import { join } from 'node:path';
import { execFileSync } from 'node:child_process';

const ROOT = new URL('..', import.meta.url).pathname;
const LEXICONS_DIR = join(ROOT, 'lexicons');
const EXTERNAL_DIR = join(ROOT, 'external-lexicons');
const OUTPUT_DIR = join(ROOT, 'src', 'generated');

const EXCLUDED_FILES = ['authProfileAccess.json'];

function findJsonFiles(dir) {
  const results = [];
  for (const entry of readdirSync(dir, { withFileTypes: true })) {
    const fullPath = join(dir, entry.name);
    if (entry.isDirectory()) {
      results.push(...findJsonFiles(fullPath));
    } else if (entry.name.endsWith('.json') && !EXCLUDED_FILES.includes(entry.name)) {
      results.push(fullPath);
    }
  }
  return results;
}

const ownFiles = findJsonFiles(LEXICONS_DIR);
const externalFiles = findJsonFiles(EXTERNAL_DIR);
const allFiles = [...ownFiles, ...externalFiles];

console.log(`Found ${ownFiles.length} own + ${externalFiles.length} external lexicon files`);

execFileSync('npx', ['lex', 'gen-server', OUTPUT_DIR, ...allFiles, '--yes'], {
  cwd: ROOT,
  stdio: 'inherit',
});

console.log('Running fixup script...');
execFileSync('node', ['scripts/fixup-generated.js'], { cwd: ROOT, stdio: 'inherit' });